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jonny [76]
3 years ago
10

What is the value of 'x' in the equation shown below? 2 (x + 8) - 4x = 10 x + 4

Mathematics
2 answers:
Nat2105 [25]3 years ago
5 0

Answer:

x=1

Step-by-step explanation:

2x+16-4x=10x+4

-2x+16=10x+4

16-4=10x+2x

12=12x

1=x

scoray [572]3 years ago
3 0
I think that the answer would be x=1
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In △XYZ , XZ=9 , YZ=4 , and XY=7 .
Mamont248 [21]

Answer:

A=6\sqrt{5}\ units^2

Step-by-step explanation:

we know that

Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.  

so

A=\sqrt{s(s-a)(s-b)(s-c)}

where

a, b and c are the length sides of triangle

s is the semi-perimeter of triangle

we have

a=9\ units,b=4\ units,c=7\ units

Find the semi-perimeter s  

s=\frac{9+4+7}{2}=10\ units

Find the area of triangle

A=\sqrt{10(10-9)(10-4)(10-7)}

A=\sqrt{10(1)(6)(3)}

A=\sqrt{180}\ units^2

Simplify

A=6\sqrt{5}\ units^2

8 0
3 years ago
Five friends split a $65.20 bill at a restaurant . They also each left $2.75 for the tip. How much money did each person pay in
kvv77 [185]
You start by doing 65.20 (the bill) divided by 5 (the amount of people paying)
65.20 / 5 = 13.04 

Then you add 13.04 (how much each person paid towards the bill) and 2.75 (the amount of money each person left as a tip) 
13.04 + 2.75 = 15.79

Each person paid $15.79
4 0
3 years ago
Read 2 more answers
please help me I would solve them myself but i have too much work and who ever solves is correctly I will give brainliest and if
mamaluj [8]

Answer:

1. 28

2. -1

3. 136

4. -43

5. -165

6. -58

7. -39.74

8. -50.994

9. -104.6

Step-by-step explanation:

A few simple calculations gives these answers. reply to this if you want work shown.

7 0
3 years ago
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zaharov [31]

Answer:

u didn't show any pictures so I can't help u. can u show. pictures or something

3 0
3 years ago
Determine the slope intercept form of the equation of the line parrell to y=-4/3x+11
olasank [31]
M = -4/3 (slope stays the same)
so y= -4/3x + b
b = y intercept
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7 0
3 years ago
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